Technical practice
How would you choose a Bedrock foundation model for a client AI application?
What to coverThe role involves end-to-end design with Bedrock foundation models and calls for secure, cost-efficient production systems. Suggested answer: compare task quality, latency, cost per query and operational constraints, then explain how you would validate the choice against the client's needs.
How would you design a multi-agent workflow with Bedrock Agents?
What to coverThe posting names action groups, knowledge bases and guardrails as parts of multi-agent orchestration. Suggested answer: explain each agent's responsibility, how actions and retrieved information flow between them, and where guardrails and failure handling belong.
How would you build a RAG pipeline over enterprise data?
What to coverThe role calls for embedding pipelines, vector indexing and retrieval patterns that connect foundation models to enterprise data. Suggested answer: walk through ingestion, updating indexes, retrieving context and checking whether that context supports the generated answer.
When would you use lexical, vector or hybrid search in OpenSearch?
What to coverThe posting specifically calls for semantic and lexical search, k-NN vector search, hybrid search, index management and relevance tuning. Suggested answer: compare their strengths for different query types and describe how you would diagnose poor retrieval relevance.
How would you structure the AWS infrastructure for a production Bedrock application?
What to coverThe role lists Lambda, ECS/EKS, API Gateway, Step Functions, S3 and IAM as relevant platform services. Suggested answer: choose only the components a proposed workload needs, explaining scaling, orchestration and cost trade-offs rather than treating the list as a required stack.
How would you connect a Bedrock workflow to data services and events?
What to coverThe posting names Glue, Athena, RDS and DynamoDB alongside Kinesis, SQS and EventBridge. Suggested answer: trace a plausible data flow, distinguish synchronous from event-driven steps, and explain how you would handle retries and data freshness.
How would you secure an enterprise AI workload across AWS accounts?
What to coverThe role calls for VPC isolation, PrivateLink, KMS encryption, fine-grained IAM and experience with multi-account architectures. Suggested answer: explain access boundaries and data protection from ingestion through model invocation and retrieval, including how you would review permissions.
How would you make an AI architecture reproducible and reviewable?
What to coverThe posting asks for infrastructure as code, architecture blueprints, decision records and reviews against AWS Well-Architected principles. Suggested answer: describe how CDK, CloudFormation or Terraform could capture the design, and what trade-offs and review findings an ADR should record.
How would you evaluate and improve a Bedrock-based AI solution?
What to coverThe role names prompt engineering, model evaluation, fine-tuning, responsible AI and KPIs for accuracy, hallucinations, latency and cost per query. Suggested answer: define a representative evaluation set and explain how you would distinguish prompt, retrieval and model issues before choosing an improvement.
How would you troubleshoot a production RAG application's rising latency and falling answer quality?
What to coverThe posting calls for tracking latency, retrieval relevance and hallucination rates, as well as delivering runbooks. Suggested answer: isolate retrieval, model invocation and infrastructure contributions; describe the measurements and runbook steps that would guide a safe fix.
Behavioural practice
When have you translated an ambiguous client need into a technical roadmap?
What to coverThe role calls for advising clients on AI/ML architecture and turning business needs into actionable roadmaps. Suggested practice: use a real situation, your actions to clarify priorities and trade-offs, and the resulting decision or outcome.
Tell me about a proof of concept whose findings you presented to different audiences.
What to coverThe posting calls for leading AI PoCs and presenting findings to engineering and executive stakeholders. Suggested practice: describe the situation, how you framed evidence and limitations for each audience, and what resulted.
Describe a time you coached a team through an AI engineering decision.
What to coverThe role includes mentoring on prompt engineering, model evaluation, fine-tuning and responsible AI. Suggested practice: give a real situation, the specific guidance you provided, and how the team's approach or result changed.
Tell me about a cross-functional disagreement during solution delivery.
What to coverThe posting calls for collaboration with product managers, data scientists and software engineers throughout development. Suggested practice: explain the situation, how you worked through competing priorities, and the outcome without overstating your individual contribution.
Describe an architecture review that led you to change a design.
What to coverThe role includes architecture reviews against AWS Well-Architected principles and producing decision records and documentation. Suggested practice: identify the situation, the trade-off or risk you surfaced, the action you took, and the resulting design or operational outcome.